saffron or crocus sativus l. (c. sativus) has been widely used as a medicinal plant to promote human health, especially in asia. the main components of saffron are crocin, picrocrocin and safranal. the median lethal doses (ld50) of c. sativus are 200 mg/ml and 20.7 g/kg in vitro and in animal studies, respectively. saffron has been suggested to be effective in the treatment of a wide range of d...

The aqueous extract from Carya cathayensis Sarg. exocarp was centrifuged, filtered, and separated into 11 elution fractions by X-5 macroporous resin chromatography. A phenolic compound, 4,8-dihydroxy-1-tetralone (4,8-DHT) was isolated from the fractions with the strongest phytotoxicity by bioassy-guided fractionation, and investigated for phytotoxicity on lettuce (Latuca sativa L.), radish (Rap...

Saffron, Crocus sativus L. (C. sativus) is rich in carotenoids and used in traditional medicine for treatment of various conditions such as coughs, stomach disorders, amenorrhea, asthma and cardiovascular disorders. These therapeutic effects of the plant are suggested to be due to its relaxant effect on smooth muscles. The effect of C. sativus and its constituents on different smooth muscles an...